and george w. bush posting, he was one of the great forces for freedom and equality of our time. he bore his burdens with dignity and grace. he will be miss but his contributions will live on forever. >>> and john boehner tweeted. and condoleeza rice posting, throughout history a few special people have been able to transcend differences and change theor the better. nelson mandela is one of those people. samuel l. jackson tweeting. and mike tyson tweeting this picture with this caption i'm hearing about nelson mandela's death, sending prayers to his family. and coming up, more coverage of the breaking news, the death of former south african president nelson mandela. . >>> tonight the news breaking around the world, former south african president, nelson mandela has died. he dismantled south africa's apartheid system and became the country's first black president. you know, it's a sad night to us although we look at the people around mandela's house and they look to accept it better than the rest of the world. but your thoughts about nelson mandela's death. >> he was a great bless